CVE-2026-97278
WordPress Polylang plugin <= 3.8.9 - PHP Object Injection vulnerability
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
Deserialization of Untrusted Data vulnerability in WP SYNTEX Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through 3.8.9.
| CWE | CWE-502 |
| Vendor | wp syntex |
| Product | polylang |
| Published | Oct 14, 2026 |
| Last Updated | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
WP SYNTEX / Polylang
0 ≤ 3.8.9
References
Credits
Ananda Dhakal (Patchstack)